package day2;

import java.io.*;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Test11 {
    public static void main(String[] args) throws Exception{
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String str1;
        while ((str1 = reader.readLine()) != null) { // 注意 while 处理多个 case
            String str2 = reader.readLine();
            //System.out.println(getInstance(str1, str2));
            System.out.println();
        }
    }

}